Integrate Qr code with sencha touch

I need to implement a qr code to my sencha touch project. Here is the tutorial that I used to follow.http://simonmacdonald.blogspot.com/2...-phonegap.htmlI follow the tutorial and the phonegap plugins is working very well in my phone. But nw I got a question. Hw can I customise the layout and implement the plugin to my sencha touch project?For example when i click member profile button a bar code scanner will appear.Here is my code.